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    <title>Document</title>
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    <table border="2px" cellpadding="20px" cellspacing="10px" width="800px" align="center" class="table1" >

            <tr>
                <th>周一</th>
                <th>周二</th>
                <th>周三</th>
                <th>周四</th>
                <th>周五</th>
            </tr>

            <tr>
                <td rowspan="2">数学1</td>
                <td>语文1</td>
                <td>英语1</td>
                <td>化学1</td>
                <td>物理1</td>
            </tr>

            <tr>
                <td>数学2</td>
                <td>语文2</td>
                <td>英语2</td>
                <td>化学2</td>
                <td>物理2</td>
            </tr>

            <tr>
                <td>数学3</td>
                <td colspan="3">语文3</td>
                <td>英语3</td>
                <td>化学3</td>
                <td>物理3</td>
            </tr>

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